| 1. |
After disconnecting the vapor hose from the
PCV valve, remove the PCV valve. |
| 2. |
Reconnect the PCV valve to the vapor
hose. |
| 3. |
Run the engine at idle, and put a finger on
the open end of the PCV valve and make sure that intake manifold
vacuum can be felt.
|
The plunger inside the PCV valve will
move back and forth at
vacuum. |

|
| 4. |
If the vacuum is not felt, clean or replace
the vapor
hose. | |